Block options:
Media at start: 25
Media to reveal: 25
Image Generation Method: Image Helper (or Thumbnail Type)
Width: 400px
Height: 600px
Crop: Yes
Masonry Random Heights: 100%, 75%, 50%
Enlarge selected Thumbnails: Yes
Patterns
Phone (0-575px): 1
Tablet (576-991px): 7n+2
Desktop (992px+): 14n+4